219. ABBA AREKA (RAB) OPENS THE ACADEMY AT SORA; MAR-SAMUEL, principal of the academy at Nahardea, declares the law of the land binding on the Jews. 225. _Judah II_, son of Gamaliel III, president of the Synhedrion, influences Alexander Severus to revive the privileges of the Jews, and mitigates the rigor of the Law. Jochanan bar Napacha, _Simon ben Lakish_, and Joshua ben Levi, Palestinian Amoraim. 247. _Huna_, principal of the Sora academy. JUDAH BEN EZEKIEL FOUNDS AN ACADEMY AT PUMBEDITHA. 259. Odenathus destroys Nahardea. _Sheshet founds an academy at Silhi._ 279. _Ami and Assi_, heads of the college of Tiberias. 280. Judah III, son of Judah II, Patriarch, collects a tax from foreign communities. 297. Judah ben Ezekiel, general Resh Metibta (principal of both Sora and Pumbeditha). 299. Chasda principal of the Sora academy; Huna ben Chiya, of the Pumbeditha academy. 309. _Rabba bar Nachmani_, principal of Pumbeditha; Rabba bar Huna, principal of Sora. 315. _Emperor Constantine issues the first of his anti-Jewish decrees._ 320. _The Council of Illiberis (Spain) forbids intercourse between Jews and Christians_. 325. The first _Church Council at Nice_ completely severs Judaism and Christianity by making _the celebration of Easter independent of the Jewish calendar_. 327. Teachers of the Law banished from Palestine by Constantine. 330. _Joseph ben Chiya_, principal of the Pumbeditha academy, makes a Chaldaic translation of the Prophets. 333. Abayi Nachmani, principal of Pumbeditha. 338. _Raba bar Joseph bar Chama, principal of the academy at Machuza._ 339. _Constantius forbids the marriage of a Jew with a Christian woman, and the circumcision of Christian and heathen slaves, under the penalty of death._ 351. Religious persecutions in Palestine by the emperors Constantius and Gallus and the Roman general Ursicinus. 352. Nachman ben Isaac, principal of the Pumbeditha academy. 355. _Papa bar Chanan founds an academy at Nares._ 356. Chama of Nahardea, principal of the Pumbeditha academy.